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- /// <reference types="node" />
- /**
- * trace-event - A library to create a trace of your node app per
- * Google's Trace Event format:
- * // JSSTYLED
- * https://docs.google.com/document/d/1CvAClvFfyA5R-PhYUmn5OOQtYMH4h6I0nSsKchNAySU
- */
- import { Readable as ReadableStream } from "stream";
- export interface Event {
- ts: number;
- pid: number;
- tid: number;
- /** event phase */
- ph?: string;
- [otherData: string]: any;
- }
- export interface Fields {
- cat?: any;
- args?: any;
- [filedName: string]: any;
- }
- export interface TracerOptions {
- parent?: Tracer | null;
- fields?: Fields | null;
- objectMode?: boolean | null;
- noStream?: boolean;
- }
- export declare class Tracer extends ReadableStream {
- private _objectMode;
- /** Node Stream internal APIs */
- private _push;
- private firstPush?;
- private noStream;
- private events;
- private parent;
- private fields;
- constructor(opts?: TracerOptions);
- /**
- * If in no streamMode in order to flush out the trace
- * you need to call flush.
- */
- flush(): void;
- _read(_: number): void;
- private _pushString(ev);
- private _flush();
- child(fields: Fields): Tracer;
- begin(fields: Fields): void;
- end(fields: Fields): void;
- completeEvent(fields: Fields): void;
- instantEvent(fields: Fields): void;
- mkEventFunc(ph: string): (fields: Fields) => void;
- }
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